61712167003 has 4 divisors (see below), whose sum is σ = 61968234328. Its totient is φ = 61456099680.

The previous prime is 61712166983. The next prime is 61712167061. The reversal of 61712167003 is 30076121716.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61712167003 - 2¹³ = 61712158811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61712167003.

It is not an unprimeable number, because it can be changed into a prime (61712107003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128033301 + ... + 128033782.

It is an arithmetic number, because the mean of its divisors is an integer number (15492058582).

Almost surely, 2^61712167003 is an apocalyptic number.

61712167003 is a deficient number, since it is larger than the sum of its proper divisors (256067325).

61712167003 is a wasteful number, since it uses less digits than its factorization.

61712167003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256067324.

The product of its (nonzero) digits is 10584, while the sum is 34.

Adding to 61712167003 its reverse (30076121716), we get a palindrome (91788288719).

The spelling of 61712167003 in words is "sixty-one billion, seven hundred twelve million, one hundred sixty-seven thousand, three".